* Plate Boundaries are Zones of Stress: Plate boundaries are where tectonic plates interact. This interaction creates enormous stress and pressure on the rocks.

* Faults are Breaks in the Earth's Crust: Faults are fractures in the Earth's crust where rocks have moved past each other. These movements are often triggered by the stresses created at plate boundaries.

* Earthquakes are Caused by Fault Movement: When the stress along a fault becomes too great, the rocks suddenly slip past each other, releasing energy in the form of seismic waves, which we experience as an earthquake.

While most earthquakes occur near plate boundaries, some can happen in the interior of plates, called intraplate earthquakes. These are less common and usually smaller in magnitude.

Here's a breakdown of where earthquakes commonly occur:

* Convergent Boundaries: Where plates collide, causing subduction, mountain building, and powerful earthquakes.

* Divergent Boundaries: Where plates pull apart, creating new crust and often associated with volcanic activity and earthquakes.

* Transform Boundaries: Where plates slide past each other horizontally, causing significant stress and earthquakes (like the San Andreas Fault).

So, while some earthquakes can occur away from plate boundaries, the vast majority happen in these zones of intense tectonic activity.